TY - ABST T1 - Person fit based on statistical process control in an adaptive testing environment (Research Report 98-13) Y1 - 1998 A1 - van Krimpen-Stoop, E. M. L. A. A1 - Meijer, R. R. CY - Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis ER -